ORTHOGRAPHIC

Question 1

What are the two Greek words that form the word Orthographic? What do they mean?

Answer 1

Orthos- to write Graphos- to draw

Question 2

What is Orthographic drawing?

Answer 2

it describes a type of drawing represented only by lines, without shading or rendering, it is a special type of drawing which may not be pleasing to the eyes, but is easier to understand.

Question 3

What is Orthographic projection?

Answer 3

is the method of representing the exact shape and size of an object into two or more view on planes.

Question 4

What are the 6 principal views?

Answer 4

top view, front view, right-side view, left-side view, bottom view, rear view.

Question 5

What is multi-view projection?

Answer 5

has three principle dimensions of an object

Question 6

What are the dimensions of an object?

Answer 6

Height, depth, width

Question 7

Adjacent view is needed to ?

Answer 7

fulfill the size description

Question 8

How do you obtain the Multi-view projection?

Answer 8

revolve the object with respect to the observer, or the observer move around the object

Question 9

What is the Glass box theory?

Answer 9

the unfolded sides of an object showing its projection of the principal of views

Question 10

What are edges?

Answer 10

are lines that represent the boundary between two faces

Question 11

what are corners?

Answer 11

represent the intersection of two or more edges

Question 12

What are surfaces?

Answer 12

are areas that are bounded by edges or limiting element

Question 13

What is a limiting element?

Answer 13

is a line that represents the last visible partof the curve surface

Question 14

What are parts under line convention?

Answer 14

Precedence of coincide lines, hidden line drawing, center line drawing

Question 15

Under Precedence of line, what is the oder of importance of lines?

Answer 15

Visible, hidden, center

Question 16

What to do in Hidden line Practice?

Answer 16

hidden line should join a visible line, except it extended from the visible line. Hidden arcs should start on a center line Hidden lines should intersect to form L and T corners.

Question 17

What to do in Center line practice?

Answer 17

In a circular view, short dash should cross at the intersections of center line.
For small hole, center line is presented as thin continuous line.
Center line should not extend between views.
Leave gap when center line forms a continuation with a visible or hidden line.
Center line should always start and end with long dash.